1 files changed, 1 insertions, 0 deletions

diff --git a/arch/um/drivers/pty.c b/arch/um/drivers/pty.c
index abec620e838..829a5eca8c0 100644
--- a/arch/um/drivers/pty.c
+++ b/arch/um/drivers/pty.c
@@ -13,6 +13,7 @@
 #include "user_util.h"
 #include "kern_util.h"
 #include "os.h"
+#include "um_malloc.h"
 
 struct pty_chan {
         void (*announce)(char *dev_name, int dev);